31441052420 has 12 divisors (see below), whose sum is σ = 66026210124. Its totient is φ = 12576420960.

The previous prime is 31441052341. The next prime is 31441052431. The reversal of 31441052420 is 2425014413.

It can be written as a sum of positive squares in 2 ways, for example, as 10538254336 + 20902798084 = 102656^2 + 144578^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31441052420.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786026291 + ... + 786026330.

It is an arithmetic number, because the mean of its divisors is an integer number (5502184177).

Almost surely, 2^31441052420 is an apocalyptic number.

It is an amenable number.

31441052420 is an abundant number, since it is smaller than the sum of its proper divisors (34585157704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31441052420 is a wasteful number, since it uses less digits than its factorization.

31441052420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572052630 (or 1572052628 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 31441052420 its reverse (2425014413), we get a palindrome (33866066833).

The spelling of 31441052420 in words is "thirty-one billion, four hundred forty-one million, fifty-two thousand, four hundred twenty".